Bug 1254470 - [RBD driver] fail to delete a snapshot after creating a volume from that snapshot [NEEDINFO]
[RBD driver] fail to delete a snapshot after creating a volume from that snap...
Status: ON_DEV
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-cinder (Show other bugs)
7.0 (Kilo)
x86_64 Linux
low Severity high
: ---
: 12.0 (Pike)
Assigned To: Jon Bernard
Tzach Shefi
: Reopened, Triaged, ZStream
: 1254471 (view as bug list)
Depends On:
Blocks: 1570420 1135132
  Show dependency treegraph
Reported: 2015-08-18 04:22 EDT by Yogev Rabl
Modified: 2018-04-23 03:57 EDT (History)
13 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
: 1570420 (view as bug list)
Last Closed: 2015-10-21 01:59:03 EDT
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
tshefi: automate_bug+
tshefi: needinfo? (jobernar)

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Launchpad 1485897 None None None Never
OpenStack gerrit 281550 None None None 2016-02-17 17:21 EST

  None (edit)
Description Yogev Rabl 2015-08-18 04:22:15 EDT
Description of problem:
The deletion of a snapshot fails with the error 

2015-08-18 11:11:39.198 4418 ERROR cinder.volume.manager [req-e721e329-ba76-4088-bce6-dbfb0757fe05 b7bc6cb74f5d4935b8a994d4c4582de2 e577bce6013b4fde98e5e44bc82e7ca1 - - -] Cannot delete snapshot 0b33c534-7f52-4aa5-9fbb-725eb929b771: snapshot is busy

while exists a volume that was created from it. 

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Create a volume 
2. Take a snapshot of the volume
3. Create a new volume from the snapshot
4. Delete the snapshot 
5. Check the snapshot list

Actual results:
The snapshot stays in a available state

Expected results:
The Cinder client will provide an output that explains why the action failed or set the snapshot with a deleted tag in the Ceph pool and delete the snapshot record in Cinder
Comment 3 Sergey Gotliv 2015-09-21 08:58:00 EDT
*** Bug 1254471 has been marked as a duplicate of this bug. ***
Comment 4 Jon Bernard 2016-02-17 17:23:06 EST
I believe the current patch in review most correctly addresses the problem.
Comment 5 Jon Bernard 2016-08-18 10:31:17 EDT
Just to clarify, patch is complete and awaiting reviews upstream.
Comment 6 Elise Gafford 2016-11-01 12:53:09 EDT
No recent progress on this issue (no review attention on upstream patch). Low priority. Moving to RHOS 11 for triage.

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